This is a full size black 12-string Autograph Pros electricacoustic guitar hand signed in person by Angus Young and MalcolmYoung of AC/DC. This autograph was obtained in person and comesCERTIFIED AUTHENTIC. A Certificate Of Authenticity will be includedfrom Autograph Pros, UACC Registered Dealer #237 which isaccompanied by a lifetime guarantee of authenticity. Item will beshipped in a manner to ensure a safe arrival.